import shapely

COORD_SYSTEM = 4326

class Coord():
    __slots__ = 'lon', 'lat',

    def __init__(self, lon: float, lat: float):
        self.lon: float = lon
        self.lat: float = lat

    def __str__(self):
        return '%f, %f' % (self.lon, self.lat)

    @staticmethod
    def from_wkt(wkt: str):
        try:
            point = shapely.from_wkt(wkt)

            return Coord(point.x, point.y)
        except:
            return None